CN117346064A - Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank - Google Patents
Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank Download PDFInfo
- Publication number
- CN117346064A CN117346064A CN202311617113.1A CN202311617113A CN117346064A CN 117346064 A CN117346064 A CN 117346064A CN 202311617113 A CN202311617113 A CN 202311617113A CN 117346064 A CN117346064 A CN 117346064A
- Authority
- CN
- China
- Prior art keywords
- sealing plate
- pressure
- lifting
- liquefied gas
- monitoring function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 71
- 241000883990 Flabellum Species 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the technical field of pressure reducing valves, and particularly relates to an intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas tank. According to the pressure monitor disclosed by the invention, the air pressure is monitored in real time, when the air pressure is normal, the fan blades rotate slowly, when the air pressure is increased, the fan blades, the deflector rod and the centrifugal block rotate at a high speed and are far away from the fixed shaft, the rotating deflector rod intermittently extrudes the sounding part, and the sounding part vibrates up and down to give out sound for alarming, so that dangerous accidents caused by the aging of the intelligent switch valve or the pressure reducing device are avoided, and the safety is improved.
Description
Technical Field
The invention belongs to the technical field of pressure reducing valves, and particularly relates to an intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas tank.
Background
The pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area so as to achieve the purpose of reducing pressure.
The relief pressure valve has certain life, and inside involucra of live time and spring are ageing easily, and the liquefied gas has certain corrosivity, if the relief pressure valve is used again under the circumstances such as the liquefied gas jar is placed for a long time or the relief pressure valve is not in time maintained, the circumstances that probably takes place high-pressure gas and leak, lead to the occurence of failure, consequently, need to develop an intelligent relief pressure valve that liquefied gas jar was used with having pressure monitoring function, can monitor gas pressure when using to carry out the warning when high-pressure gas leaked in order to remind people to handle in time, thereby improve the security.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides an intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas tank.
The technical proposal is as follows: the utility model provides an intelligent relief pressure valve with pressure monitoring function for liquefied gas jar, includes the valve body, valve body one end is the inlet end, the valve body other end is the end of giving vent to anger, intelligent ooff valve, pressure relief device and pressure monitor are installed in proper order to the valve body from the direction of inlet end toward the end of giving vent to anger, the valve body is close to the end department of giving vent to anger and is equipped with the drum, drum internally connected with the fixed axle, drum inside rotation is connected with hollow rotary drum, rotary drum outer wall circumference evenly spaced is connected with the polylith flabellum, sliding connection has a plurality of sounding piece that resets through compression spring on the fixed axle, rotary drum inner wall sliding connection has the driving lever, the driving lever can be for the rotary drum is in the radial of fixed axle removes, through control assembly control the driving lever with the relative position between the rotary drum, the driving lever during stationary with the distance of fixed axle center is less than sounding piece with the distance of fixed axle center, the driving lever can extrude when the flabellum high-speed rotates so that sounding piece can sound.
Preferably, a cavity is formed between the rotary drum and the fixed shaft, and the sounding piece is positioned in the cavity.
Preferably, the control assembly comprises a connecting rod, centrifugal blocks and a reset spring, wherein the inside of each fan blade is slidably connected with a connecting rod reset through the reset spring, the middle parts of the connecting rods are connected with the centrifugal blocks, the centrifugal blocks slide in the fan blades, and one of the connecting rods is close to the end part of the fixed shaft and is fixedly connected with the deflector rod.
Preferably, the centrifugal block is further provided with a sealing assembly, the sealing assembly comprises a lifting sealing plate, a hinged plate and a side wall sealing plate, the lifting sealing plate is connected with the upper portion and the lower portion of the fan blade in a sliding manner, the lifting sealing plate and the centrifugal block on the same fan blade are connected with the hinged plate in a rotating manner, one end, far away from the fixed shaft, of the fan blade is connected with the side wall sealing plate in a sliding manner, and the lifting sealing plate and the side wall sealing plate are in sealing contact with the inner wall of the cylinder.
Preferably, a pair of protruding parts are arranged on the upper part and the lower part of one end, far away from the fixed shaft, of the lifting sealing plate, a pair of guide holes are formed in the upper part and the lower part of the side wall sealing plate, and the protruding parts are respectively located in the guide holes.
Preferably, the guide hole is inclined, and the side wall sealing plate is far away from the inner wall of the cylinder through the guide hole when the lifting sealing plate is far away from the inner wall of the cylinder.
Preferably, the lifting sealing plate and the side wall sealing plate are made of rubber.
Preferably, the automatic lifting device further comprises a protection mechanism, the protection mechanism comprises an electromagnet, lifting blocks, a cross rod, push rods and a controller, the electromagnet is rotatably mounted in the middle of the fixed shaft, the lifting blocks sleeved on the fixed shaft are slidably connected inside the cylinder, a return spring is connected between the electromagnet and the lifting blocks, the other connecting rod ends which are not fixedly connected with the deflector rods are all connected with the cross rod, a plurality of push rods are connected to the lifting blocks, the controller is mounted outside the valve body, and the electromagnet and the pressure monitor are electrically connected with the controller.
Preferably, the push rods are arranged obliquely, one push rod passes through the deflector rod so that the lifting block rotates along with the deflector rod, and the cross rod is pushed to move towards one side close to the fixed shaft by the push rod when the lifting block descends.
Preferably, the lifting block is made of a magnetic material, and the electromagnet repels the lifting block when electrified.
The beneficial effects of the invention are as follows: 1. according to the pressure monitor disclosed by the invention, the air pressure is monitored in real time, when the air pressure is normal, the fan blades rotate slowly, when the air pressure is increased, the fan blades, the deflector rod and the centrifugal block rotate at a high speed and are far away from the fixed shaft, the rotating deflector rod intermittently extrudes the sounding part, and the sounding part vibrates up and down to give out sound for alarming, so that dangerous accidents caused by the aging of the intelligent switch valve or the pressure reducing device are avoided, and the safety is improved.
2. According to the invention, the lifting sealing plate and the side wall sealing plate play a sealing role when the gas pressure is normal, and when the centrifugal block is far away from the fixed shaft, the lifting sealing plate and the side wall sealing plate are separated from the inner wall of the cylinder, so that the abrasion degree of the lifting sealing plate and the side wall sealing plate in high-speed rotation is reduced.
3. When the air pressure of the flowing air reaches a threshold value, the electromagnet is electrified to repel the lifting block, the lifting block and the push rod are lowered, the connecting rod is close to the fixed shaft, the hinged plate is reversed, the lifting sealing plate and the side wall sealing plate are in close contact with the inner wall of the cylinder again, so that multiple sealing is performed when the air pressure reaches the threshold value, accidents caused by leakage of high-pressure air are avoided, and the safety is further improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic view of the valve body and cylinder of the present application, with the valve body and cylinder being cut away.
Fig. 3 is a schematic view of the internal structure of the cylinder of the present application.
FIG. 4 is a schematic view of the structure of the stationary shaft, drum, sounding member and lever of the present application.
Fig. 5 is a schematic view of the structure of the stationary shaft of fig. 4 of the present application, with the stationary shaft being cut away.
FIG. 6 is a schematic view of the structure of the fan blade, lever, linkage, lifting seal plate and side wall seal plate of the present application.
Fig. 7 is an enlarged view at a in fig. 6 of the present application.
Fig. 8 is an exploded view of fig. 6 of the present application.
Fig. 9 is a schematic view of the fan blade of fig. 6 in the sectional view.
Fig. 10 is a schematic view of the position at the present application B.
Fig. 11 is an enlarged view at B in fig. 10 of the present application.
Reference numerals illustrate: 1_valve body, 2_intelligent switching valve, 3_pressure reducing device, 4_pressure monitor, 5_cylinder, 6_fixed shaft, 7_rotary drum, 8_fan blade, 9_sounding piece, 10_deflector rod, 101_connecting rod, 102_centrifugal block, 103_return spring, 111_lifting sealing plate, 112_hinged plate, 113_side wall sealing plate, 114_protruding part, 115_guiding hole, 121_electromagnet, 122_lifting block, 123_cross rod, 124_push rod, 125_controller.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
Embodiment 1: the utility model provides an intelligent relief pressure valve with pressure monitoring function for liquefied gas jar, refer to fig. 1-9, including valve body 1, intelligent switch valve 2, pressure relief device 3, pressure monitor 4, drum 5, fixed axle 6, rotary drum 7, flabellum 8, sound-producing member 9, driving lever 10 and control assembly, the right-hand member of valve body 1 is the inlet end, the left end of valve body 1 is the end of giving vent to anger, intelligent switch valve 2 is installed in proper order to the direction of the end of giving vent to anger from the inlet end to valve body 1, pressure monitor 4, the left part of valve body 1 is equipped with drum 5, the inside center department welding of drum 5 has fixed axle 6, drum 5 inside rotation is connected with hollow rotary drum 7, form the cavity between rotary drum 7 and the fixed axle 6, sound-producing member 9 is located this cavity, six flabellums 8 are evenly spaced to be connected with in rotary drum 7 outer wall circumference, sound-producing member 9 is all sliding connection with sound-producing member 9 in upper portion and lower part, all fixedly connected with compression spring between sound-producing member 9 and the fixed axle 6, can send out sound and carry out the police dispatch and carry out warning when vibrating up and down, driving lever 10 can be relative to rotary drum 7, can be at radial position relative to rotary drum 7 and control assembly at the fixed axle 10, when rotating about the fixed axle 6 is with sound-producing member 10, vibration member 10 is with the driving lever 10, and vibration distance between the driving lever 10 and the fixed axle 10 is with the vibration member 10, and the vibration member is with the vibration.
Referring to fig. 8 and 9, the control assembly comprises a connecting rod 101, centrifugal blocks 102 and a return spring 103, wherein the connecting rod 101 is slidably connected inside the fan blade 8, the return spring 103 is fixedly connected between the connecting rod 101 and the fan blade 8, the centrifugal blocks 102 are welded at the middle parts of the connecting rods 101, the centrifugal blocks 102 slide inside the fan blade 8, and one connecting rod 101 is fixedly connected with the deflector rod 10 near the end part of the fixed shaft 6.
Firstly, when the intelligent switch valve 2 is opened, gas in the liquefied gas tank flows through the intelligent switch valve 2 and the pressure reducing device 3 in sequence, the pressure reducing device 3 reduces the pressure of the gas, the pressure of the flowing gas is stable, the pressure monitor 4 monitors the pressure of the flowing gas in real time, the flowing gas enters the cylinder 5, when the pressure of the flowing gas is normal, the gas pushes the fan blade 8 to slowly rotate, the rotary drum 7, the deflector rod 10, the connecting rod 101 and the centrifugal block 102 slowly rotate along with the fan blade 8, the deflector rod 10 temporarily does not contact with the sounding piece 9, when the intelligent switch valve 2 or the pressure reducing device 3 is aged, the flowing gas pressure increases, the gas pushes the fan blade 8 to rotate at a high speed, the rotary drum 7, the deflector rod 10, the connecting rod 101 and the centrifugal block 102 rotate along with the fan blade 8 at a high speed, the centrifugal block 102 moves radially to one side far away from the fixed shaft 6 under the action of the centrifugal force, at this moment, the rotating deflector rod 10 intermittently extrudes the sounding piece 9 to vibrate up and down under the action of the compression spring, the sounding piece 9 vibrates under the action of the compression spring, and accordingly the intelligent switch 2 is prevented from being aged or the danger is prevented from being caused by the intelligent switch valve, and the danger is avoided from being aged.
Embodiment 2: on the basis of embodiment 1, refer to fig. 6-9, the sealing assembly is further comprised of a sealing assembly, the sealing assembly comprises a lifting sealing plate 111, a hinged plate 112 and a side wall sealing plate 113, the upper portion and the lower portion of each fan blade 8 are both connected with the lifting sealing plate 111 in a sliding manner, the hinged plate 112 is connected between the lifting sealing plate 111 and the centrifugal block 102 on the same fan blade 8 in a rotating manner, one end of each fan blade 8 far away from the fixed shaft 6 is connected with the side wall sealing plate 113 in a sliding manner, the lifting sealing plate 111 and the side wall sealing plate 113 are made of rubber materials, the lifting sealing plate 111 and the side wall sealing plate 113 are in sealing contact with the inner wall of the cylinder 5, a pair of protruding portions 114 are respectively arranged on the upper portion and the lower portion of one end of the lifting sealing plate 111 far away from the fixed shaft 6, a pair of guide holes 115 are respectively arranged on the upper portion and the lower portion of the side wall sealing plate 113, the protruding portions 114 are respectively located in the guide holes 115, the guide holes 115 are obliquely arranged, and when the lifting sealing plate 111 is far away from the inner wall of the cylinder 5, the side wall is far away from the side wall of the cylinder 5 through the guide holes 115.
Initially, the lifting sealing plate 111 and the side wall sealing plate 113 are in close contact with the inner wall of the cylinder 5, and can play a sealing role when the gas pressure is normal, when the centrifugal block 102 moves radially to one side far away from the fixed shaft 6, the centrifugal block 102 pulls the hinged plate 112 to rotate, the lifting sealing plate 111 is driven to lift so as to be separated from the inner wall of the cylinder 5, and the side wall sealing plate 113 is also separated from the inner wall of the cylinder 5 by the lifting sealing plate 111 through the cooperation of the protruding part 114 and the guide hole 115, so that the abrasion degree of the lifting sealing plate 111 and the side wall sealing plate 113 in high-speed rotation is reduced.
Embodiment 3: on the basis of embodiment 2, referring to fig. 1, 10 and 11, the device further comprises a protection mechanism, the protection mechanism comprises an electromagnet 121, a lifting block 122, a cross rod 123, a push rod 124 and a controller 125, the electromagnet 121 is rotatably arranged in the middle of the fixed shaft 6, the lifting block 122 sleeved on the fixed shaft 6 is slidably connected inside the cylinder 5, the lifting block 122 is made of iron, the electromagnet 121 can repel the lifting block 122 when being electrified, a return spring is connected between the electromagnet 121 and the lifting block 122, the ends of other connecting rods 101 which are not fixedly connected with the deflector rod 10 are fixedly connected with the cross rod 123, a plurality of push rods 124 are fixedly connected to the lifting block 122, the controller 125 is arranged outside the valve body 1, the electromagnet 121 and the pressure monitor 4 are electrically connected with the controller 125, the push rods 124 are obliquely arranged, one push rod 124 penetrates through the deflector rod 10 to enable the lifting block 122 to rotate along with the deflector rod 10, and the cross rod 123 is pushed to move towards one side close to the fixed shaft 6 by the push rod 124 when the lifting block 122 descends.
When the pressure monitor 4 detects that the air pressure of the flowing air reaches the threshold value, the controller 125 controls the electromagnet 121 to be electrified, the electromagnet 121 repels the lifting block 122, the lifting block 122 descends, the lifting block 122 drives the push rod 124 to descend together, the push rod 124 penetrating through the deflector rod 10 pushes the deflector rod 10 to enable the deflector rod 10 to move towards the side close to the fixed shaft 6, the other five push rods 124 push the cross rod 123 to enable the cross rod 123 to move towards the side close to the fixed shaft 6, the connecting rod 101 is enabled to be close to the fixed shaft 6, the connecting rod 101 pulls the centrifugal block 102, the hinge plate 112 is reversed, the lifting sealing plate 111 and the side wall sealing plate 113 are in close contact with the inner wall of the cylinder 5 again, and therefore multiple sealing is carried out when the air pressure reaches the threshold value, accidents caused by high-pressure air leakage are avoided, and safety is further improved.
The foregoing description is only of embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the teachings of this invention, or direct or indirect application in other related arts, are included in the scope of this invention.
Claims (10)
1. The utility model provides an intelligent relief pressure valve with pressure monitoring function for liquefied gas tank, includes valve body (1), valve body (1) one end is the inlet end, valve body (1) other end is the end of giving vent to anger, valve body (1) are installed intelligent switch valve (2), relief pressure device (3) and pressure monitor (4) in proper order from the direction of inlet end to the end of giving vent to anger, characterized in that, valve body (1) are close to the end department of giving vent to anger is equipped with drum (5), drum (5) internally connected with fixed axle (6), drum (5) inside rotation is connected with hollow rotary drum (7), rotary drum (7) outer wall circumference evenly spaced connection has a plurality of flabellum (8), sliding connection has sounding piece (9) that a plurality of reset through compression spring on fixed axle (6), rotary drum (7) inner wall sliding connection has driving lever (10), driving lever (10) can be relative rotary drum (7) are in the radial direction of fixed axle (6) is moved, through control assembly relative position between driving lever (10) and rotary drum (7), when static distance with driving lever (6) is little with fixed axle (6) the axle center distance of axle (6), the deflector rod (10) can press the sounding piece (9) to sound when the deflector rod (10) rotates along with the fan blades (8) at a high speed.
2. An intelligent pressure reducing valve with pressure monitoring function for a liquefied gas tank according to claim 1, characterized in that a cavity is formed between the rotary drum (7) and the fixed shaft (6), and the sounding member (9) is located in the cavity.
3. The intelligent pressure reducing valve with a pressure monitoring function for the liquefied gas tank according to claim 2, wherein the control assembly comprises a connecting rod (101), centrifugal blocks (102) and a reset spring (103), the inside of each fan blade (8) is slidably connected with the connecting rod (101) reset through the reset spring (103), the middle part of each connecting rod (101) is connected with the centrifugal block (102), the centrifugal blocks (102) slide in the fan blade (8), and one end part of each connecting rod (101) close to the fixed shaft (6) is fixedly connected with the deflector rod (10).
4. The intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas tank according to claim 3, further comprising a sealing assembly, wherein the sealing assembly comprises a lifting sealing plate (111), a hinged plate (112) and a side wall sealing plate (113), the lifting sealing plate (111) is slidably connected to the upper portion and the lower portion of each fan blade (8), the hinged plate (112) is rotatably connected between the lifting sealing plate (111) and the centrifugal block (102) on the same fan blade (8), the side wall sealing plate (113) is slidably connected to one end, far away from the fixed shaft (6), of each fan blade (8), and the lifting sealing plate (111) and the side wall sealing plate (113) are in sealing contact with the inner wall of the cylinder (5).
5. The intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas cylinder according to claim 4, wherein a pair of protruding parts (114) are arranged at the upper part and the lower part of one end of the lifting sealing plate (111) far away from the fixed shaft (6), a pair of guide holes (115) are arranged at the upper part and the lower part of the side wall sealing plate (113), and the protruding parts (114) are respectively arranged in the guide holes (115).
6. The intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas cylinder according to claim 5, wherein the guide hole (115) is obliquely arranged, and the side wall sealing plate (113) is far away from the inner wall of the cylinder (5) through the guide hole (115) when the lifting sealing plate (111) is far away from the inner wall of the cylinder (5).
7. The intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas cylinder according to claim 6, wherein the lifting sealing plate (111) and the side wall sealing plate (113) are made of rubber.
8. The intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas tank according to claim 7, further comprising a protection mechanism, wherein the protection mechanism comprises an electromagnet (121), a lifting block (122), a cross rod (123), a push rod (124) and a controller (125), the electromagnet (121) is rotatably mounted in the middle of the fixed shaft (6), the lifting block (122) sleeved on the fixed shaft (6) is slidingly connected inside the cylinder (5), a return spring is connected between the electromagnet (121) and the lifting block (122), the ends of other connecting rods (101) which are not fixedly connected with the deflector rod (10) are connected with the cross rod (123), a plurality of push rods (124) are connected on the lifting block (122), the controller (125) is mounted outside the valve body (1), and the electromagnet (121) and the pressure monitor (4) are electrically connected with the controller (125).
9. The intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas cylinder according to claim 8, wherein the push rods (124) are arranged in an inclined mode, one push rod (124) passes through the deflector rod (10) so that the lifting block (122) rotates together with the deflector rod (10), and the cross rod (123) is pushed to move towards one side close to the fixed shaft (6) through the push rod (124) when the lifting block (122) descends.
10. The intelligent pressure reducing valve with a pressure monitoring function for a liquefied gas cylinder according to claim 9, wherein the lifting block (122) is made of a magnetic material, and the electromagnet (121) repels the lifting block (122) when energized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311617113.1A CN117346064B (en) | 2023-11-30 | 2023-11-30 | Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311617113.1A CN117346064B (en) | 2023-11-30 | 2023-11-30 | Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117346064A true CN117346064A (en) | 2024-01-05 |
| CN117346064B CN117346064B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311617113.1A Active CN117346064B (en) | 2023-11-30 | 2023-11-30 | Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank |
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| CN (1) | CN117346064B (en) |
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